const mongoose = require('mongoose')
const url = 'mongodb://127.0.0.1:27017/students'

mongoose
  .connect(url, { useNewUrlParser: true })
  .then(() => {
    console.log('数据库连接成功')
  })
  .catch(() => {
    console.log('数据库连接失败')
  })

  module.exports = mongoose